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Finding the Fourth Proportional to 218,297,627,814.60, 327,446,441,721.90 and 218,297,627,814.60

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Solution

The fourth proportional to 218,297,627,814.60, 327,446,441,721.90 and 218,297,627,814.60 is: 327,446,441,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,297,627,814.60 : 327,446,441,721.90 = 218,297,627,814.60 : x
  2. Step 2: Convert to fraction form
    218,297,627,814.60/327,446,441,721.90 = 218,297,627,814.60/x
  3. Step 3: Cross multiply
    218,297,627,814.60x = 327,446,441,721.90 × 218,297,627,814.60
  4. Step 4: Simplify right side
    218,297,627,814.60x = 71,480,781,464,222,438,522,880
  5. Step 5: Solve for x
    x = 71,480,781,464,222,438,522,880/218,297,627,814.60
  6. Step 6: Final answer
    x = 327,446,441,721.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.